gonidium

As nouns the difference between cell and gonidium

is that cell is a single-room dwelling for a hermit or cell can be (us|informal) a cellular phone while gonidium is (lichenology|phycology) a photosynthetic algal cell in the thallus of a lichen; a similar asexual reproductive cell in some algae.

As a verb cell

is to place or enclose in a cell.

As nouns the difference between algal and gonidium

is that algal is an alga while gonidium is a photosynthetic algal cell in the thallus of a lichen; a similar asexual reproductive cell in some algae.

As an adjective algal

is pertaining to, or like, algae.

As an adjective photosynthetic

is of, relating to, or employing photosynthesis.

As a noun gonidium is

(lichenology|phycology) a photosynthetic algal cell in the thallus of a lichen; a similar asexual reproductive cell in some algae.